API General Cure Freshwater & Saltwater Aquarium Parasitic Fish Disease Treatment
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Help keep your finned friends healthy with API’s General Cure Freshwater & Saltwater Aquarium Parasitic Fish Disease Treatment. It helps treat a wide range of diseases caused by parasites including fish lice, velvet, hole-in-the-head disease, and gill and skin flukes. It’s fast acting and won’t color the water. This treatment is suitable for both freshwater and saltwater aquariums.
Key Benefits- Formulated to help treat parasitic diseases.
- Can help treat velvet, fish lice, hole-in-the-head disease, plus gill and skin flukes.
- Works quickly to help heal your underwater buddies.
- Available in 10 individual powdered packets or a 30-oz. bottle.
- Will not color your aquarium water.
California Residents: View Proposition 65 WARNING
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Item Number94458
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Aquarium TypeFreshwater, Saltwater
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Fish TypeTropical Freshwater, Betta, Cichlid, Goldfish, Marine Fish, Marine Invertebrate, Bottom Feeder
For best results, remove activated carbon or filter cartridge from filter and continue aerations. For each 10 gallons of water, empty one packet directly into aquarium. Repeat dose after 48 hours. Wait another 48 hours then change 25% of the aquarium water and add fresh activated carbon or replace filter cartridge.
Will API GENERAL CURE harm aquatic turtles?
API GENERAL CURE is safe to use around aquatic turtles, but is only intended to treat disease in fish.
Will API GENERAL CURE disrupt the biological filter in my freshwater aquarium?
No, API GENERAL CURE should not harm or disrupt the biological filter in your aquarium. For best results, remove activated carbon or filter cartridges from filter and continue aeration, since products that are designed to remove things from your aquarium (such as filter media) will also remove dosed medication from your tank. For best results from medication, remove your filtration media as you dose.
Will API GENERAL CURE harm snails?
API GENERAL CURE will not harm snails.
Can API GENERAL CURE be used with API ALGAEFIX?
All API products are safe for use in combination with each other.

Fish Care Made Easier
API is a name you can trust when it comes to taking care of fish. Not only are they passionate about fishkeeping, but they're dedicated to improving the hobby and making it easier to maintain the ideal aquatic environment. From helping the novice set up a new tank to providing state-of-the-art filters for advanced systems, you can rely on API's dedication to quality.


Maintain the Perfect Setup
Fishkeeping is a much easier task with API, because they've taken all the guesswork out of setting up a tank and maintaining it. Their proven treatments include water conditioners and clarifiers, fish medications, pH adjusters, algaecides and quick-start solutions—all designed to keep your aquarium crystal clear and your fish happy and healthy.
Testing Is Key
Once you've started a new aquarium, the only way to keep it in perfect balance is with routine water testing. API gives you all the tools you need to create a nurturing environment for both fish and live plants. Their comprehensive Master Test Kits are tailored to freshwater, saltwater or reef environments, and individual tests for things like pH, ammonia or nitrites leave nothing up to chance.


Clearing the Water
API offers reliable three-step filtration for tanks of all sizes with their FILSTAR XP Canister filters and wide variety of filter media. These powerful filters constantly circulate the water, trapping organic waste and odors, removing harmful ammonia and contaminants, and helping good bacteria to thrive in the tank.
Superior Nutrition
Feeding your aquarium inhabitants, whether they're tropical fish, turtles or newts, is something that can be tricky without the right food. API developed a special diet for every type of fish—one that's highly palatable, which leads to less waste in the tank. And that means less ammonia to cloud the water. For your turtle friends, premium floating pellets and stick treats provide multiple vitamins for a stronger, healthier shell.


About API
Through extensive and continuous research and development, API created quality products for all levels of fishkeeping. As people who are passionate about fish care, they understand the rewards of keeping up a successful aquarium or aquarium. With easy-to-read guides and premium treatments, foods, filters and testing equipment, API helps aquarists establish and maintain an environment where fish can flourish.
Customer Reviews
82% Recommend
82% of reviewersrecommend this product
You've Already Reviewed This Item
17 Reviews
Showing 1-10 of 17 Reviews
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Love this product
By Star on Dec 30, 2020
I just wish it came in smaller doses for smaller tanks. Even 5 gallon would help/ most hospital tanks are 5 gallon
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Not sealed
By Daniel on Sep 28, 2020
Package arrived with a broken seal and powder in the shipping box
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It worked for me
By penjamin on Aug 18, 2019
I keep mollies So this came in handy I didn't have any real problems just the scheduling treatment
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Worked my fish got better.
By Alissa on Apr 29, 2019
I got a couple of goldfish. And they seemed a bit skinny and used this and they fattened up.
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API is one of the best company to get fish meds from
By klev on Jan 27, 2019
yes I've been using General Cure for a well and it works well for Parasitic. this was the first time ordering from Chewy and they have been great, I wanted the lg size of General Cure 850 Grams and they had it. I will be ordering from them again thanks.
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Good as a preventive tx with first signs of trouble.
By Jackie68 on Feb 4, 2019
Seeing any white spots or starting of fin rot, this tx shows results.
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Good meds at good price.
By John on Dec 14, 2018
Works fast and at a good price. Will order again and other product to.
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Does Not Work For Internal Parasites
By Cait on Aug 14, 2018
I see that it works on hole in the head disease, but does no work to internal parasites or wasting away disease. Used this product correctly for weeks and saw no improvement in my fish's health. I'll stick to PraziPro for internal parasites.
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Did not work for me
By Luke on Jun 15, 2018
This product did not work for me, but I feel like this a is a tough product to review. I was almost certain my fish had a tape worm or some sort of internal parasite and after following treatment instructions on package my fish is doing no better (actually seems to be worse). But that's not to say my assumption was right so I could have been treating for something that was not the problem. Maybe in the future I can try this product again if more issues arise and see if it will help then.
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Delivered fast!
By DPete on May 6, 2018
I ordered API General Cure because my Boesemani Rainbow developed hole in the head. I couldn't find it in any of my local pet stores and was worried about ordering online due to time constraints. I was promised delivery by Wednesday which seemed reasonable to me. As it turned out, I got it a day earlier than the promise date which really made me happy. My Boesemani boy is better and I am very happy for that.